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  CarNetix CNX-P1900 Ver. 2.2 Dual Output 140 Watt 12V DC-DC Regulator
Carnetix CNX-P1900 Ver. 2.2 Dual Output 140 Watt 12V DC-DC Regulator

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Our Price: $79.97

Stock Status:In Stock
Product Code: PWR-010


Description Technical Specs Extended Information

Carnetix CNX-P1900 Ver. 2.2 (see version change log below)

See the P1900 Product Brief here.

The CNX-P1900 is a 140 watt intelligent DC-DC power regulator designed to provide safe, reliable power to today's newest CarPCs......including the Mac Mini and Pentium P4-based systems!

The P1900 provides two outputs. The primary output is jumper selectable for 18V, 19V, or 20V operation and can provide up to 6.32 amps (125 Watts @ 20V ). The secondary output is jumper selectable to provide either +12V to power your LCD screen (or 13.5V or experimental purposes), or +5V to power USB devices (such as the Audigy 2NX sound USB sound card) with up to 3 amps (15 Watts). The P1900 can accept battery input as low as 7 volts under full load (140 watts) during cranking while providing a well-regulated output so that your CarPC does not crash.

The P1900 includes all of the sophisticated features of its predecessors (P1260 and P1280) such as Startup/Shutdown controller, Pulse Start (remotely start the P1900 with door locks, car alarm, or wireless device), and DelayON (prevents speaker "thump" during booting). The P1900 fully and safely supports "Standby" mode and will automatically shut itself down (by detecting excess current drain) if the CarPC fails to properly go into Standby mode.

The P1900 is also designed to power larger systems that demand higher power, such as P4-based motherboards (ie Insight P4 ITX) with full sized hard drives. The P1900 is fully compatible with the Travla C137 (90 watt and 120 models), the C138 (90 watt and 120 watt models) as well as the newer C158 (90 watt and 120 watt models) cases. In fact, the most cost effective P4 CarPC system can be built using the Travla C137, C138, or C158-120 and the Insight P4 ITX motherboard.

In addition, the P1900 can be used with the Mac mini, Sumicom, Xenarc, and Cappucino models that require an 18v, 19v, or 20v power source.

Version 2.0 Change Log:
* Internal ACPI relay for Sumicom, Xenarc and other applications
* Jumper selectable Deadman Timer to shut down the P1900 if it stays in Standby/Sleep for more than 3 days

Version 2.2 Change Log:
Modified to work with Intel based MacMinis

**Intel MacMini Customers: This P1900 works with the Intel MacMini without modification (excludes unibody Mini models).



  • 140 Watt Dual Output Regulator
  • Jumper selectable main output of +18/+19/+20V
  • Jumper selectable secondary output of +12V/+13.5V or +5V
  • Survives Engine Cranking under full load over entire temperature range
  • Includes sophisticated Startup/Shutdown Controller
  • Includes sturdy aluminum chassis with variable speed fan suitable for car environment Field upgradable flash microprocessor
  • Low battery monitor prevents drained battery, even during Standby/Sleep
  • "Anti Thump" delayed remote control for audio amplifiers
  • Remote "Pulse Start" from wireless device or car alarm/remote start system
  • Over current protection on both outputs with graceful forced shutdown of main output
  • Powers both your CarPC/Mac AND your screen or USB devices
  • Compatible with Mac mini including startup/shutdown and sleep mode
  • Compatible with Pentium P4-based systems such as Travla C158-120, Sumicom S630, or Xenarc SC8
  • Full, safe support for Windows Standby mode including auto shutdown if PC fails to shutdown
  • Over voltage surge suppression on battery input for protection of harsh automotive environment
  • User replaceable fuse on battery input to protect your car from internal short circuits

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